You are probably looking for drivers for the DVB Prof 7500 USB tuner (digital satellite receiver). Unfortunately the manufacturer seems to have discontinued proftuners.com website.

Fortunately I remembered that I had saved the drivers. I decided to share because it is no longer possible to find:
Download on Mega:
https://mega.nz/folder/IlByGTJA#vJEuXQIMWVw4soYKMyCMSQ
If you need to make the tuner work on Linux, follow this instructions:
https://github.com/marceleira/prof-7500-usb
References:
http://www.forum.free-x.de/wbb/index.php?page=Thread&threadID=798&pageNo=1
https://www.linuxtv.org/wiki/index.php/Prof_Revolution_DVB-S2_7500_USB